테스트 DB 계약과 실행 안전성 정렬

db/migrations/0022_model_operations_execution_schema.sql

@@ -0,0 +1,70 @@
+-- DB-CONTRACT-001: model-operation tables required by the approved handlers.
+-- Source: existing 0008/0010 contracts; append-only closure for the canonical
+-- db/migrations catalog. Outbox/Inbox remain building_blocks-owned.
+
+create schema if not exists model_operations;
+
+create table if not exists model_operations.shadow_run (
+    run_id uuid primary key,
+    model_id uuid not null,
+    window_start date not null,
+    window_end date not null,
+    status varchar(50) not null default 'Pending',
+    metrics_json jsonb,
+    phase_analysis_json jsonb,
+    cost_analysis_json jsonb,
+    false_exit_analysis_json jsonb,
+    validation_gates_json jsonb,
+    error_message text,
+    created_at timestamp not null default current_timestamp,
+    published_at timestamp,
+    constraint check_window_order check (window_start <= window_end),
+    constraint check_status check (status in ('Pending', 'DataBackfill', 'Replay', 'EvaluationComplete', 'Failed'))
+);
+
+create index if not exists idx_shadow_run_model_created
+    on model_operations.shadow_run (model_id, created_at desc);
+create index if not exists idx_shadow_run_status
+    on model_operations.shadow_run (status);
+create index if not exists idx_shadow_run_published_at
+    on model_operations.shadow_run (published_at);
+
+create table if not exists model_operations.approval_queue (
+    id uuid primary key default gen_random_uuid(),
+    run_id uuid not null unique,
+    model_id uuid not null,
+    status varchar(32) not null default 'Pending',
+    requested_by uuid,
+    approved_by uuid,
+    approval_reason text,
+    rejection_reason text,
+    requested_at timestamp not null default current_timestamp,
+    approved_at timestamp,
+    rejected_at timestamp,
+    constraint approval_queue_run_fk foreign key (run_id)
+        references model_operations.shadow_run(run_id) on delete restrict,
+    constraint approval_queue_status_valid check (status in ('Pending', 'Approved', 'Rejected'))
+);
+
+create index if not exists approval_queue_status_idx on model_operations.approval_queue(status);
+create index if not exists approval_queue_model_idx on model_operations.approval_queue(model_id, requested_at desc);
+create index if not exists approval_queue_requested_idx on model_operations.approval_queue(requested_at desc);
+
+create or replace function model_operations.approval_queue_check()
+returns trigger as $$
+begin
+    if new.status = 'Approved' then
+        if new.approved_at is null then new.approved_at := current_timestamp; end if;
+        if new.approved_by is null then raise exception 'approved_by must be set when status = Approved'; end if;
+    elsif new.status = 'Rejected' then
+        if new.rejected_at is null then new.rejected_at := current_timestamp; end if;
+        if new.rejection_reason is null then raise exception 'rejection_reason must be set when status = Rejected'; end if;
+    end if;
+    return new;
+end;
+$$ language plpgsql;
+
+drop trigger if exists approval_queue_check_trigger on model_operations.approval_queue;
+create trigger approval_queue_check_trigger
+before insert or update on model_operations.approval_queue
+for each row execute function model_operations.approval_queue_check();